feat(github): add repository browser UI

- Create GitHubClient with Octokit
- Add /api/github/repos endpoint
- Build RepositoryBrowser component with search
- Integrate into dashboard
- Install @octokit/rest dependency

Part of Phase 2 - GitHub Integration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ScientiaCapital

package-lock.json

@@ -30,7 +30,7 @@
     "@langchain/core": "^0.3.28",
     "@langchain/langgraph": "^0.2.42",
     "@langchain/openai": "^0.5.0",
-    "langchain": "^0.3.11",
+    "@octokit/rest": "^22.0.1",
     "@opentelemetry/api": "^1.9.0",
     "@opentelemetry/exporter-prometheus": "^0.205.0",
     "@opentelemetry/instrumentation-fs": "^0.25.0",
@@ -54,6 +54,7 @@
     "ioredis": "^5.7.0",
     "js-tiktoken": "^1.0.21",
     "js-yaml": "^4.1.0",
+    "langchain": "^0.3.11",
     "lru-cache": "^10.1.0",
     "lucide-react": "^0.468.0",
     "next": "15.5.3",

package.json

@@ -0,0 +1,36 @@
+import { createClient } from '@/lib/supabase/server'
+import { GitHubClient } from '@/lib/github/client'
+import { NextResponse } from 'next/server'
+import { cookies } from 'next/headers'
+
+export async function GET(request: Request) {
+  const cookieStore = cookies()
+  const supabase = createClient(cookieStore)
+
+  // Get current user session
+  const { data: { session }, error: sessionError } = await supabase.auth.getSession()
+
+  if (sessionError || !session) {
+    return NextResponse.json({ error: 'Not authenticated' }, { status: 401 })
+  }
+
+  // Get GitHub access token from session
+  const githubToken = session.provider_token
+
+  if (!githubToken) {
+    return NextResponse.json({ error: 'No GitHub token found' }, { status: 401 })
+  }
+
+  try {
+    const github = new GitHubClient(githubToken)
+    const repos = await github.getUserRepos()
+
+    return NextResponse.json({ repos })
+  } catch (error) {
+    console.error('GitHub API error:', error)
+    return NextResponse.json(
+      { error: 'Failed to fetch repositories' },
+      { status: 500 }
+    )
+  }
+}

src/app/api/github/repos/route.ts

@@ -5,6 +5,7 @@ import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
 import { Alert, AlertDescription } from '@/components/ui/alert'
+import { RepositoryBrowser } from '@/components/github/RepositoryBrowser'
 
 interface CodebaseReview {
   summary: string
@@ -87,6 +88,24 @@ export default function DashboardPage() {
         </CardContent>
       </Card>
 
+      {/* GitHub Repository Browser */}
+      <Card className="mb-6">
+        <CardHeader>
+          <CardTitle>GitHub Integration</CardTitle>
+          <CardDescription>
+            Connect your GitHub account to analyze repositories
+          </CardDescription>
+        </CardHeader>
+        <CardContent>
+          <RepositoryBrowser
+            onSelectRepo={(repo) => {
+              console.log('Selected repo:', repo)
+              setProjectPath(`github:${repo.fullName}`)
+            }}
+          />
+        </CardContent>
+      </Card>
+
       {/* Error Display */}
       {error && (
         <Alert variant="destructive" className="mb-6 bg-red-950 border-red-800">